Add cuisine subcategory filter, fix remap logic, and add OKE deployment manifests

- Add 파인다이닝/코스 cuisine type to 한식/일식/중식/양식 categories
- Change cuisine filter from flat list to grouped optgroup with subcategories
- Fix remap-foods/remap-cuisine: add jdbcType=CLOB, fix CLOB LISTAGG,
  improve retry logic (3 attempts, batch size 5), add error logging
- Add OKE deployment: Dockerfiles, K8s manifests, deploy.sh, deployment guide
- Add Next.js standalone output for Docker builds

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/src/app/page.tsx

@@ -13,20 +13,20 @@ import MyReviewsList from "@/components/MyReviewsList";
 import BottomSheet from "@/components/BottomSheet";
 import { getCuisineIcon } from "@/lib/cuisine-icons";
 
-const CUISINE_GROUPS: { label: string; prefix: string }[] = [
-  { label: "한식", prefix: "한식" },
-  { label: "일식", prefix: "일식" },
-  { label: "중식", prefix: "중식" },
-  { label: "양식", prefix: "양식" },
-  { label: "아시아", prefix: "아시아" },
-  { label: "기타", prefix: "기타" },
+const CUISINE_TAXONOMY: { category: string; items: string[] }[] = [
+  { category: "한식", items: ["백반/한정식", "국밥/해장국", "찌개/전골/탕", "삼겹살/돼지구이", "소고기/한우구이", "곱창/막창", "닭/오리구이", "족발/보쌈", "회/횟집", "해산물", "분식", "면", "죽/죽집", "순대/순대국", "장어/민물", "주점/포차", "파인다이닝/코스"] },
+  { category: "일식", items: ["스시/오마카세", "라멘", "돈카츠", "텐동/튀김", "이자카야", "야키니쿠", "카레", "소바/우동", "파인다이닝/코스"] },
+  { category: "중식", items: ["중화요리", "마라/훠궈", "딤섬/만두", "양꼬치", "파인다이닝/코스"] },
+  { category: "양식", items: ["파스타/이탈리안", "스테이크", "햄버거", "피자", "프렌치", "바베큐", "브런치", "비건/샐러드", "파인다이닝/코스"] },
+  { category: "아시아", items: ["베트남", "태국", "인도/중동", "동남아기타"] },
+  { category: "기타", items: ["치킨", "카페/디저트", "베이커리", "뷔페", "퓨전"] },
 ];
 
-function matchCuisineGroup(cuisineType: string | null, group: string): boolean {
-  if (!cuisineType) return false;
-  const g = CUISINE_GROUPS.find((g) => g.label === group);
-  if (!g) return false;
-  return cuisineType.startsWith(g.prefix);
+function matchCuisineFilter(cuisineType: string | null, filter: string): boolean {
+  if (!cuisineType || !filter) return false;
+  // filter can be a category ("한식") or full type ("한식|백반/한정식")
+  if (filter.includes("|")) return cuisineType === filter;
+  return cuisineType.startsWith(filter);
 }
 
 const PRICE_GROUPS: { label: string; test: (p: string) => boolean }[] = [
@@ -171,7 +171,7 @@ export default function Home() {
   const filteredRestaurants = useMemo(() => {
     return restaurants.filter((r) => {
       if (channelFilter && !(r.channels || []).includes(channelFilter)) return false;
-      if (cuisineFilter && !matchCuisineGroup(r.cuisine_type, cuisineFilter)) return false;
+      if (cuisineFilter && !matchCuisineFilter(r.cuisine_type, cuisineFilter)) return false;
       if (priceFilter && !matchPriceGroup(r.price_range, priceFilter)) return false;
       if (countryFilter) {
         const parsed = parseRegion(r.region);
@@ -458,8 +458,15 @@ export default function Home() {
                 className="border dark:border-gray-700 rounded-lg px-3 py-1.5 text-sm text-gray-600 dark:text-gray-300 dark:bg-gray-800"
               >
                 <option value="">🍽 전체 장르</option>
-                {CUISINE_GROUPS.map((g) => (
-                  <option key={g.label} value={g.label}>🍽 {g.label}</option>
+                {CUISINE_TAXONOMY.map((g) => (
+                  <optgroup key={g.category} label={`── ${g.category} ──`}>
+                    <option value={g.category}>🍽 {g.category} 전체</option>
+                    {g.items.map((item) => (
+                      <option key={`${g.category}|${item}`} value={`${g.category}|${item}`}>
+                        &nbsp;&nbsp;{item}
+                      </option>
+                    ))}
+                  </optgroup>
                 ))}
               </select>
               <select
@@ -684,8 +691,15 @@ export default function Home() {
                   className="border dark:border-gray-700 rounded-lg px-2.5 py-1.5 text-xs text-gray-600 dark:text-gray-300 bg-white dark:bg-gray-800"
                 >
                   <option value="">🍽 전체 장르</option>
-                  {CUISINE_GROUPS.map((g) => (
-                    <option key={g.label} value={g.label}>🍽 {g.label}</option>
+                  {CUISINE_TAXONOMY.map((g) => (
+                    <optgroup key={g.category} label={`── ${g.category} ──`}>
+                      <option value={g.category}>🍽 {g.category} 전체</option>
+                      {g.items.map((item) => (
+                        <option key={`${g.category}|${item}`} value={`${g.category}|${item}`}>
+                          &nbsp;&nbsp;{item}
+                        </option>
+                      ))}
+                    </optgroup>
                   ))}
                 </select>
                 <select